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| var l=document.getElementById("showAudioElementsCheckbox");if(!l)throw Error("No show audio elements checkbox could be found.");var f=document.getElementById("fileDrop");if(!f)throw Error("No file drop div could be found.");var e=document.getElementById("playPauseButton");if(!e)throw Error("No play/pause button could be found.");var c=document.getElementById("stereoButton");if(!c)throw Error("No stereo button could be found.");var h=document.getElementById("stereoPlayback");if(!h)throw Error("No stereo audio element found."); |
| var m=document.getElementById("binauralButton");if(!m)throw Error("No binaural button could be found.");var q=document.getElementById("binauralPlayback");if(!q)throw Error("No binaural audio element found.");var r=document.getElementById("videoPlayback");if(!r)throw Error("No video element found.");var t=document.getElementById("timelineCanvas");if(!t)throw Error("No timeline element found.");return{ma:a,D:b,S:d,ga:g,fa:k,ua:l,R:f,B:e,I:c,s:h,G:m,v:q,ca:r,wa:t}};var U=void 0,V=void 0;function Ma(a,b){U=a;V=b} |
| function Na(a,b,d,g,k,l,f,e){var c,h,m;J(function(q){c=!1;if(!U||U.byteLength===0)return e(c),f(),q.return();V||(console.error("No filename set for current IAMF bytes, setting to iamf_audio."),V="iamf_audio");h=new DataView(U);m=a(V,h);return m?C(q,Promise.all([Oa(d,b,k),Oa(g,b,l)]).then(function(r){var t=y(r);r=t.next().value;c=t.next().value||r}).catch(function(r){console.error("Error during decoding: ",r.message);f()}).finally(function(){e(c)}),0):(console.error("Only standalone IAMF files are supported at this point."), |
| e(c),f(),q.return())})};/* |
| |
| Copyright Google LLC |
| SPDX-License-Identifier: Apache-2.0 |
| */ |
| var Pa=globalThis.trustedTypes,W;function Qa(){var a=null;if(!Pa)return a;try{var b=function(d){return d};a=Pa.createPolicy("goog#html",{createHTML:b,createScript:b,createScriptURL:b})}catch(d){}return a};function Ra(a){this.g=a}Ra.prototype.toString=function(){return this.g+""};function Sa(a){W===void 0&&(W=Qa());var b=W;return new Ra(b?b.createScriptURL(a):a)};function X(a){this.g=a}X.prototype.toString=function(){return this.g};function Ta(a){if(a instanceof X)return a.g;throw Error("");};function Ua(a){if(typeof MediaSource!=="undefined"&&a instanceof MediaSource)return new X(URL.createObjectURL(a));var b=a.type.match(/^([^;]+)(?:;\w+=(?:\w+|"[\w;,= ]+"))*$/i);if((b==null?void 0:b.length)!==2||!(/^image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp|x-icon|heic|heif|avif|x-ms-bmp)$/i.test(b[1])||/^video\/(?:mpeg|mp4|ogg|webm|x-matroska|quicktime|x-ms-wmv)$/i.test(b[1])||/^audio\/(?:3gpp2|3gpp|aac|amr|L16|midi|mp3|mp4|mpeg|oga|ogg|opus|x-m4a|x-matroska|x-wav|wav|webm)$/i.test(b[1])||/^font\/[\w-]+$/i.test(b[1])))throw Error(""); |
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| function Ya(a){var b=b===void 0?{}:b;this.g=a;this.K=void 0;this.j=this.l=!0;this.o=!1;this.F=0;this.U=function(){return!1};this.N=function(){return-1};this.O=function(){};this.i=this.u=null;this.config=Object.assign({},Xa,b);this.h=this.g.getContext("2d",{willReadFrequently:!0});this.g.addEventListener("mousedown",this.na.bind(this));this.g.addEventListener("mousemove",this.oa.bind(this));this.g.addEventListener("mouseup",this.pa.bind(this));this.M=new ImageData(this.g.width,this.g.height);this.L= |
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| function $a(a,b){a.h.clearRect(0,0,a.g.width,a.g.height);for(var d=(a.g.width-2*a.config.A-(b.length-1)*a.config.spacing)/b.length,g=a.config.A,k=d+a.config.spacing,l=a.g.height-2*a.config.J,f=a.g.height/2,e=0;e<b.length;e++){var c=Math.max(b[e]*l,a.config.xa);a.h.fillRect(g+e*k,f-c/2,d,c)}}n.na=function(a){this.l||this.j||(this.u=a)};n.oa=function(a){!this.u||this.l||this.j||(ab(this,a),this.o||Y(this))}; |
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| function Y(a){a.h.clearRect(0,0,a.g.width,a.g.height);a.U()?a.h.putImageData(a.L,0,0):a.h.putImageData(a.M,0,0);a.i&&(a.h.fillStyle=a.config.ta,a.h.fillRect(a.i.T,a.config.J,a.i.Y-a.i.T,a.g.height-2*a.config.J));var b=cb(a);a.h.fillStyle=a.config.ra;a.h.fillRect(b,a.config.J,a.config.sa,a.g.height-2*a.config.J)}function cb(a){var b=a.N();return!b||b<0?a.config.A:a.config.A+b*(a.g.width-2*a.config.A)};function db(a,b){a.checked=!1;a.addEventListener("change",function(){b.hidden=!a.checked})}function eb(a,b){return{ya:a.value,H:Number(b.value)}};var fb=new Map([["Animated demo (3rd-order ambisonics)","./data/videos/Animated_demo_720_silent.mp4"],["Animated demo (3rd-order ambisonics + stereo)","./data/videos/Animated_demo_720_silent.mp4"]]); |
| function gb(a,b){var d,g,k,l;J(function(f){if(f.g==1){d=fb.get(a);if(!d)return b.src="",b.hidden=!0,f.return();console.log("Video file: "+d);return C(f,fetch(d),2)}if(f.g!=3)return g=f.i,g.ok?C(f,g.arrayBuffer(),3):(b.src="",b.hidden=!0,console.warn("Failed to load video file: "+d),f.return());k=f.i;l=new Blob([k],{type:"video/mp4"});b.src=Ta(Ua(l));b.hidden=!1;f.g=0})};function hb(a){var b=Worker;if(a instanceof Ra)a=a.g;else throw Error("");return new b(a,void 0)};var ib=da(["./decoder_worker_bundle.js"]);function Z(a,b){var d=this;this.binaural=a;this.j=b;this.g=a?"Binaural":"Stereo";a=Va(ib);this.i=hb(a);this.i.addEventListener("message",this.o.bind(this));this.i.addEventListener("error",function(g){console.log("Error from "+d.g+" worker: "+g.message)});this.i.addEventListener("messageerror",function(g){console.log("Message error from "+d.g+" worker: "+g)});this.i.postMessage({eventType:"CREATE_DECODER"})} |
| function Oa(a,b,d){var g=U,k=V;return J(function(l){if(l.g==1){if(a.j)throw Error("Worker is not ready, wait for workerReadyCallback.");console.log("Starting "+a.g+" decoding.");return C(l,new Promise(a.l.bind(a,g,k,b,d)),2)}return l.return(l.i)})} |
| Z.prototype.o=function(a){switch(a.data.eventType){case "LOG_MESSAGE":console.log(this.g+" decoder: "+a.data.message);break;case "DECODER_CREATED":this.j?(console.log(this.g+" decoder created."),this.j(),this.j=void 0):console.warn(this.g+" decoder reporting ready more than once.");break;case "DECODE_DONE":jb(this,a.data.outputBuffers);break;case "ERROR":a=a.data.message;console.error("Error from "+this.g+" decoder: "+a+".Aborting decoding.");this.h&&(this.h.reject(a),this.h=void 0);break;default:console.warn("Worker sent unhandled message: "+ |
| JSON.stringify(a,["type","data","message"])+".")}};Z.prototype.l=function(a,b,d,g,k,l){this.h={start:performance.now(),ka:b,H:d,ia:g,resolve:k,reject:l};this.i.postMessage({eventType:"DECODE_STANDALONE_IAMF",eventData:{iamfBytes:a,sampleRate:d,binaural:this.binaural}})}; |
| function jb(a,b){if(a.h){var d=a.h,g=!1;console.log(a.g+" decoding took approximately "+((performance.now()-d.start)/1E3).toFixed(1)+" seconds.");if(b&&b.length>0){g=!0;var k=(b.reduce(function(l,f){return l+f.length},0)/d.H/2).toFixed(3);console.log(a.g+" audio output is "+k+" seconds long.");k=d.ka+"_"+(a.binaural?"binaural":"loudspeakers_A")+"_"+d.H+"Hz.wav";b=ua(d.H,b);d.ia(b,k)}a.h.resolve(g);a.h=void 0}else console.log("{this.layoutString} decoder reporting done without decodingRunState present.")} |
| ;(function(){var a,b,d,g,k,l,f,e,c,h,m,q,r,t,F,G,wa;return J(function(kb){a=La();Ka(a.ma);db(a.ga,a.fa);na(a.ua,a.s,a.v);b=new Ya(a.wa);oa({B:a.B,I:a.I,G:a.G,s:a.s,v:a.v,video:a.ca,timeline:b});d=function(){a.R.classList.add("div-disabled");for(var p=y([a.D,a.S,a.B]),u=p.next();!u.done;u=p.next())u.value.disabled=!0};g=function(){O&&ta();b.l=!0;b.j=!0;Za(b);d()};k=function(p){Da([a.D,a.S]);a.R.classList.remove("div-disabled");p&&Da([a.B])};l=0;f=function(){l++;console.log(l+" worker"+(l===1?"":"s")+ |
| " ready.");l===2&&k(!1)};e=new Z(!1,f);c=new Z(!0,f);h=eb.bind(null,a.D,a.S);m=function(p,u){Wa(a.s,p,u);p=Ca(p);b.l=!1;b.i=null;b.h.fillStyle=b.config.va;$a(b,p);b.M=b.h.getImageData(0,0,b.g.width,b.g.height);b.l||b.j?Za(b):Y(b)};q=function(p,u){Wa(a.v,p,u);p=Ca(p);b.j=!1;b.i=null;b.h.fillStyle=b.config.ha;$a(b,p);b.L=b.h.getImageData(0,0,b.g.width,b.g.height);b.l||b.j?Za(b):Y(b)};r=function(){b.h.clearRect(0,0,b.g.width,b.g.height);b.h.fillStyle=b.config.ba;b.h.font="24px Google Sans";b.h.fillText("Error", |
| 10,30)};t=function(){gb(a.D.value,a.ca);Na(Ha,h().H,e,c,m,q,r,k)};F=function(){var p;return J(function(u){p=a.D.value;g();return C(u,Ja(p).then(function(H){return J(function(E){Ma(H,p);t();E.g=0})}).catch(function(H){console.error(H.message)}),0)})};a.D.addEventListener("change",function(){return J(function(p){return C(p,F(),0)})});G=function(){return J(function(p){g();t();p.g=0})};a.S.addEventListener("change",function(){return J(function(p){return C(p,G(),0)})});wa=function(p){var u,H;return J(function(E){if(E.g== |
| 1){p.preventDefault();g();var M;var xa;if((M=p.dataTransfer)==null?0:(xa=M.files)==null?0:xa.length){var ya,za;console.log("Received "+((ya=p.dataTransfer)==null?void 0:(za=ya.files)==null?void 0:za.length)+" files.");console.log("Using the first file: "+p.dataTransfer.files[0].name);M={filename:p.dataTransfer.files[0].name,data:p.dataTransfer.files[0].arrayBuffer()}}else console.error("No files found in drop."),M=void 0;u=M;if(!u){E.g=0;return}H=Ma;return C(E,u.data,3)}H(E.i,u.filename);a.D.value= |
| "";t();E.g=0})};a.R.addEventListener("dragover",function(p){p.preventDefault()});a.R.addEventListener("drop",wa);kb.g=0})})(); |
